MESON Chess Problem Database
Problem Display
PID: 231217 (6n1/Kp3Q2/b2R1N1B/8/prp1R1p1/1pk1N3/1r5P/1B4b1 w - - 0 1)
Mari, Alberto
2nd Prize, Chess Amateur (The), 1927
#2
9 + 11
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rf2
- 2.Sd1#
- 1...Rb5
- 2.Rxc4#
- 2.Qxc4#
- 1...Rb6
- 2.Sed5#
- 1...Bxh2
- 2.Sd1#
- 2.Sed5#
- 1...Bxe3+
- 2.Rxe3#
- 1...Sxf6
- 2.Qxf6#
- 1...b6
- 2.Sd1#
- 2.Sed5#
- 1...Rf2
- Tries
- 1.Sxg8?
- threat
- 2.Bg7#
- 2.Qf6#
- 2.Qg7#
- 1...Bxe3+
- 2.Rxe3#
- 1...Bxh2
- 2.Sd1#
- 2.Sd5#
- 1...Rf2
- 2.Sd1#
- 1...Rb5
- 2.Rxc4#
- 2.Qxc4#
- 1...Rb6
- 2.Sd5#
- 1...Rd2!
- threat
- 1.Bf4?
- threat
- 2.Be5#
- 1...Bxe3+
- 2.Rxe3#
- 1...Bxh2
- 2.Sd1#
- 2.Sed5#
- 1...Rb5
- 2.Rxc4#
- 2.Qxc4#
- 1...Rb6
- 2.Sed5#
- 1...Rd2!
- threat
- 1.Bg7?
- threat
- 2.Sxg8#
- 1...Bxe3+
- 2.Rxe3#
- 1...Bxh2
- 2.Sd1#
- 1...Sxf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Rd2
- 2.Sd5#
- 1...Rf2
- 2.Sd1#
- 1...Rb5
- 2.Rxc4#
- 2.Qxc4#
- 1...Sh6
- 2.Sxg4#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...Se7
- 2.Sxg4#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...Rb6!
- threat
- 1.Rxc4+?
- 1...Bxc4
- 2.Se4#
- 1...Rxc4!
- 1...Bxc4
- 1.Qd5?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Bxe3+
- 2.Rxe3#
- 1...Bxh2
- 2.Sd1#
- 2.Qd4#
- 1...Rd2
- 2.Qxd2#
- 1...Rb5
- 2.Rxc4#
- 2.Qxc4#
- 1...Rb6!
- threat
- 1.Qh5?
- threat
- 2.Qe5#
- 1...Bxe3+
- 2.Rxe3#
- 1...Bxh2
- 2.Sd1#
- 2.Sed5#
- 1...Rb5
- 2.Rxc4#
- 1...Rb6
- 2.Sed5#
- 1...Rd2!
- threat
- 1.Qe6?
- threat
- 2.Qe5#
- 1...Bxe3+
- 2.Rxe3#
- 1...Bxh2
- 2.Sd1#
- 2.Sed5#
- 1...Rb5
- 2.Rxc4#
- 2.Qxc4#
- 1...Rb6
- 2.Sed5#
- 1...Rd2!
- threat
- 1.Sxg8?
- Keys
- 1.Qg7!
- threat
- 2.Sxg8#
- 1...Bxe3+
- 2.Rxe3#
- 1...Bxh2
- 2.Sd1#
- 2.Sed5#
- 1...Sxf6
- 2.Qxf6#
- 1...Sxh6
- 2.Sxg4#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...Rd2
- 2.Sd5#
- 1...Rf2
- 2.Sd1#
- 1...Rb5
- 2.Rxc4#
- 1...Rb6
- 2.Sed5#
- 1...Se7
- 2.Sxg4#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- threat
- 1.Qg7!
There are these versions: 231218
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);N_PINS(C)::S(C)
- R(f);N_PINS(C)::S(C)
- B(a);CHECK,OGATE,XS(C)::R(D),XB(a)
- S(k);OGATE,XS(F)::QAB(I),XS(k)
- Tries
- Try
- S(F);XS(k)
- Threat
- DUALS(3)
- Vars
- B(a);CHECK,OGATE,XS(C)::R(D),XB(a)
- R(b);N_PINS(C)::S(C)
- R(f);N_PINS(C)::S(C)
- Refutation
- R(b);
- Try
- B(G);
- Threat
- B(G)
- Vars
- B(a);CHECK,OGATE,XS(C)::R(D),XB(a)
- R(f);N_PINS(C)::S(C)
- Refutation
- R(b);
- Try
- B(G);
- Threat
- B(G)+S(F),XS(k)
- Vars
- B(a);CHECK,OGATE,XS(C)::R(D),XB(a)
- B(a);N_PINS(C),XP(B)::S(C)
- R(b);SBLOCK::B(G)+S(F),DCHECK
- R(b);N_PINS(C)::S(C)
- Refutation
- R(f);N_PINS(C)
- Try
- R(D);CHECK,XP(g)
- Vars
- B(i);XR(D)::S(F)
- Refutation
- R(f);XR(D)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,OGATE,XS(C)::R(D),XB(a)
- R(b);N_GUARD::QAB1(I),XR(b)
- Refutation
- R(f);N_PINS(C)
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- B(a);CHECK,OGATE,XS(C)::R(D),XB(a)
- R(f);N_GUARD,S_CUTB(i)::R1(D),XP(g)
- R(f);N_PINS(C)::S(C)
- Refutation
- R(b);
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- B(a);CHECK,OGATE,XS(C)::R(D),XB(a)
- R(f);N_PINS(C)::S(C)
- Refutation
- R(b);
- Try
- Actual
- Q(I);
- Threat
- QAB(I)+S(F),XS(k)
- Vars
- B(a);CHECK,OGATE,XS(C)::R(D),XB(a)
- S(k);OGATE,P_SPINS(k),XS(F)::QAB(I),XS(k)
- R(b);SBLOCK::QAB(I)+S(F),DCHECK
- R(b);N_PINS(C)::S(C)
- R(f);N_GUARD,S_CUTB(i)::R1(D),XP(g)
- R(f);N_PINS(C)::S(C)
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